Leaderboard/Code Sandbox API
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

Code Sandbox API

github.com/Br0ski777/code-sandbox-x402↗|v1.1.0

Execute Python, JavaScript, SQL code in a sandbox. x402 micropayment.

59/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance19/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
188.5ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 188ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 188ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Jul 14, 2026success188.5msPartial
Jul 12, 2026success106.7msPartial
Jul 8, 2026success113msPartial
Jul 8, 2026success113.1msPartial
Jul 3, 2026success118.3msPartial
Jun 30, 2026success16.6msPartial
Jun 27, 2026success17msPartial
Jun 25, 2026success20.5msPartial
Jun 24, 2026success22.3msPartial
Jun 17, 2026success22.6msPartial
Source Registries
mcp-registry
First Seen
Apr 13, 2026
Last Seen
Jul 14, 2026
Last Probed
Jul 14, 2026